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Prior Knowledge Regularized Multiview Self-Representation and its Applications
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DOI：10.1109/TNNLS.2020.2984625.png)
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摘要
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To learn the self-representation matrices/tensor that encodes the intrinsic structure of the data, existing multiview self-representation models consider only the multiview features and, thus, impose equal membership preference across samples. However, this is inappropriate in real scenarios since the prior knowledge, e.g., explicit labels, semantic similarities, and weak-domain cues, can provide useful insights into the underlying relationship of samples. Based on this observation, this article proposes a prior knowledge regularized multiview self-representation (P-MVSR) model, in which the prior knowledge, multiview features, and high-order cross-view correlation are jointly considered to obtain an accurate self-representation tensor. The general concept of prior knowledge is defined as the complement of multiview features, and the core of P-MVSR is to take advantage of the membership preference, which is derived from the prior knowledge, to purify and refine the discovered membership of the data. Moreover, P-MVSR adopts the same optimization procedure to handle different prior knowledge and, thus, provides a unified framework for weakly supervised clustering and semisupervised classification. Extensive experiments on real-world databases demonstrate the effectiveness of the proposed P-MVSR model.
Keyword:
Tensile stress
Correlation
Semantics
Clustering algorithms
Adaptation models
Sparse matrices
Learning systems
Low-rank tensor representation
multiview
prior knowledge
self-representation
semisupervised classification
tensor Singular Value Decomposition (t-SVD)
weakly supervised clustering
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8.9
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7.6K
被引数:
7.2W
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